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Svetllana [295]
3 years ago
7

Can you help me solve this?​

Mathematics
2 answers:
Natalka [10]3 years ago
6 0

Answer:

first one is rational, second is also rational, third is rational, fourth is rational, and fifth is irrational.

Step-by-step explanation:

Rational numbers are numbers that can be expressed as a fraction or part of a whole number. (examples: -7, 2/3, 3.75) Irrational numbers are numbers that cannot be expressed as a fraction or ratio of two integers. The reason why \sqrt{12} is an irrational number is bc it's not a perfect square while\sqrt{49} equals to 7 and is a perfect square.

Dahasolnce [82]3 years ago
5 0

Answer:

  1. rational
  2. irrational
  3. rational
  4. rational
  5. irrational

Step-by-step explanation:

<u>Numbers given</u>

6.(32)

  • This is repeat non-terminating number which can be expressed as a fraction, so it is rational

3.121121112...

  • this is non-repeat non-terminating number which can't be expressed as a fraction so it is irrational

√49 = 7

  • This is rational

-27/4

  • This is rational

√12 = 2√3

  • This is not a perfect square and is irrational
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Answer:

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Step-by-step explanation:

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4 0
3 years ago
6x-4y=-15 and x-4y=1
Harlamova29_29 [7]

Answer:

The solution to the given system of equations is

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Step-by-step explanation:

Given system of equation are

6x-4y=-15\hfill (1)

x-4y=1\hfill (2)

To solve equation by using elimination method

Now subtracting equations (1) and (2)

6x-4y=-15

x-4y=1

_________________

5x=-16

x=-\frac{16}{5}

Substitute x=-\frac{16}{5}  in equation (1)

6(-\frac{16}{5})-4y=-15

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Therefore the solution is

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